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8 Minutes Ago

bk2life replied to a thread 1996 LT1 to 12200411 PCM conversion help in OBDII Tuning

anything new? or stuck away fro winter?

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19 replies | 2043 view(s)
23 Minutes Ago

bk2life started a thread Just got Laid in Introductions

off from work due to covid.. ugh. how's 2021 going for everyone? no, seriously though, been through alot of sh*t last 2 years, gettin back...

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0 replies | 1 view(s)
2 Hours Ago

sturgillbd replied to a thread 7.4 454 won't start in GM EFI Systems

I have seen the ignition module fail while still producing spark. It may not be sending reference pulses back to the PCM and will not fire the...

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9 replies | 147 view(s)
2 Hours Ago

trlrider replied to a thread PCM Hammer using VCX Nano in OBDII Tuning

:thumbsup:

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6 replies | 543 view(s)
2 Hours Ago

trlrider replied to a thread Friend Invites in GearHead EFI Forum Support

:thumbsup::rockon: Thanks for the explanation. I have told several to check their SPAM folders, as you state, sometimes it all falls on deaf ears!

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7 replies | 173 view(s)
4 Hours Ago

Tjmac replied to a thread Interduction in Introductions

Thanks dave

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5 replies | 33 view(s)
4 Hours Ago

trlrider replied to a thread 12216125 xdf help for E-Fans in TunerPro OBDII

Kool, storing this in the "good to know" department file! :rockon:

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6 replies | 147 view(s)
4 Hours Ago

trlrider replied to a thread hello from Minnesota in Introductions

:welcome2:

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2 replies | 27 view(s)
4 Hours Ago

trlrider replied to a thread Interduction in Introductions

:welcome2:

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5 replies | 33 view(s)
4 Hours Ago

trlrider replied to a thread Hello from Mississippi in Introductions

:welcome2:

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2 replies | 19 view(s)
9 Hours Ago

dave w replied to a thread Interduction in Introductions

This gearhead-efi link will be helpful: http://www.gearhead-efi.com/Fuel-Injection/forumdisplay.php?32-OBDII-Tuning dave w

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5 replies | 33 view(s)
11 Hours Ago

Tjmac replied to a thread Interduction in Introductions

Is swap pcm tuning my 68 firebird lm7

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5 replies | 33 view(s)
11 Hours Ago

dave w replied to a thread Greetings from Kuwait in Introductions

:welcome: This might be the place to be if someone wants to install a Chevy LS engine into a Mazda RX7? :cool: ...

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2 replies | 15 view(s)
13 Hours Ago

B52Bombardier1 replied to a thread Greetings from Kuwait in Introductions

And welcome to the group. Rick

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2 replies | 15 view(s)
14 Hours Ago

transw started a thread Greetings from Kuwait in Introductions

Hello Mates, Greetings from Kuwait. Got a redirection to this forum while looking out for tuning stuff. We have a repair shop in Kuwait, a...

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2 replies | 15 view(s)
14 Hours Ago

dave w replied to a thread Interduction in Introductions

:welcome: What gearhead-efi topic interests you most? OBD1? OBD2? LS? dave w

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5 replies | 33 view(s)
17 Hours Ago

Tjmac started a thread Interduction in Introductions

Hello all from n.j

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5 replies | 33 view(s)
19 Hours Ago

dave w replied to a thread Hello from Mississippi in Introductions

:welcome: dave w

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2 replies | 19 view(s)
1 Day Ago

Isaabalot replied to a thread 7.4 454 won't start in GM EFI Systems

I appreciate the help and pointing out the other article. I will do more searching next time. I am purchasing a noid light and doing a continuity...

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9 replies | 147 view(s)
1 Day Ago

Xerimus81 started a thread Hello from Mississippi in Introductions

Hello good folks. I am a diesel mechanic of 20 years. I am looking to learn pcm hammer and tuner hey pro to tune my '99 silverado that I am dealing...

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2 replies | 19 view(s)
1 Day Ago

Gojira94 replied to a thread M-9353-BB302 Injector Voltage Offset work for sharing/ feedback in GM EFI Systems

Let's back up a bit... To understand and apply correct fueling, we need to understand the density of the fuel. Ford datasheets use lb/sec for low and...

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3 replies | 800 view(s)
1 Day Ago

dave w replied to a thread hello from Minnesota in Introductions

:welcome: That's a good tuning resume.:thumbsup: dave w

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2 replies | 27 view(s)
1 Day Ago

dart151 started a thread hello from Minnesota in Introductions

not really good at intros but its required so here i go haha. been workin on cars since i was a kid. started with turbo hondas. never had enough...

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2 replies | 27 view(s)
1 Day Ago

dave w replied to a thread 12216125 xdf help for E-Fans in TunerPro OBDII

Thank you for sharing :thumbsup: dave w

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6 replies | 147 view(s)
2 Days Ago

VR4PLAY replied to a thread 12216125 xdf help for E-Fans in TunerPro OBDII

With the help of some guys over at pcmhacking.net I was able to get this figured out. If anyone else with a flex-fuel 12216125 os is looking to do...

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6 replies | 147 view(s)
2 Days Ago

lionelhutz replied to a thread 0411 PCM voltage going to O2 sensors? in GM EFI Systems

Well, only ground the pins if they are not already connected to ground internally in the O2 sensors. Otherwise, you can cause issues ranging from...

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5 replies | 168 view(s)
2 Days Ago

jschatte replied to a thread Odd Fire TBI in Fuel Injection Writeups Articles and How to New and Old

I have since tested a P01 with a v6 calibration on the bench and even without a cam sensor it still fires sequentially. I gave up and ran a...

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91 replies | 45133 view(s)
2 Days Ago

1project2many replied to a thread 7.4 454 won't start in GM EFI Systems

Lets get a good basis for diagnosing this. Engine requires fuel, spark, and compression to run. By starting the engine and running it briefly on...

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9 replies | 147 view(s)
2 Days Ago

dave w replied to a thread 7.4 454 won't start in GM EFI Systems

How to test fuel injectors with a Noid Light: https://dannysengineportal.com/noid-light-how-to-test-fuel-injectors-using-a-noid-light/ Keep in...

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9 replies | 147 view(s)
2 Days Ago

dave w replied to a thread Help with tuning? in GM EFI Systems

Maybe this TunerPro RT V5 link will help: https://ls1tech.com/forums/lt1-lt4-modifications/1298009-tunerpro-rt-v5-tutorial.html Maybe a YouTube...

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24 replies | 602 view(s)

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